264 Gyrinidae — Hydrophilidae 



2695 G. maculiventris Lee. Mooers, Sep (Not) ; Buflfalo (Z&R) ; Westfield, 



May (Not); Ithaca (Fall); McLean, May (Fall). 



G. falli Not. Mooers, Sep (Not). 



2696 G. affinis Aube. Mt. Marcy, Keene Val. (Fall) ; Sodus Pt., May-Je, West- 



field, May (Not) ; Ithaca; West Pt. (Robn) ; SI (L&D). 



2699 G. pernitidus Lee. Not rare from Me. to N.J. (Fall). West Pt. (Robn); 



Ramapo Mts. (AM) ; SI (AM) ; LI: Amagansett, Sep (Ds). 



2700 G. analis Say. Sodus Pt., May-Je (Not) ; Buffalo (Z&R) ; E. Aurora, Je, 



one specimen (Dnd) ; Ithaca (Fall) ; Putnam Co (Lg) ; West Pt. 

 (Robn); Ramapo Mts. (AM); SI, May-Aug (L&D). 



2705 G. marinus Gyll, L. George, Aug (AM) ; White L., Jl, Zab (AM) ; 

 Nyack, Oct, Zah (AM); SI (Robts Coll.); LI: Flatbush, Ap-May, 

 Zah (AM); Fishers I., Aug (AM). 



2707 G. borealis Aube. Axton (MacG) ; Oneida Co, May, Aug, Clms (Dt) ; 

 Ithaca (Fall) ; West Pt. (Robn) ; White Plains, Oct, Sq (Fall) ; 

 SI (L&D). 



2707a G. borealis var. lugens Lee. {falli Not.). The commonest Gyrinus (Fall). 



Keene Val., Mt. Marcy, Jl, Not (Fall) ; Crown Pt. ; Hamilton Co (Ds) ; 



Ithaca, McLean, May; Westchester Co; White Plains (Fall,Sq) ; SI 



(L&D) ; LI: Riverhead. 

 [G. picipes Aube, 2704. Confined to the Pacific district according to Fall. 



Has been often cited from NY, the specimens possibly being lugens Lee] 



G. frosti Fall._ Ithaca (Fall) ; SI (AM) as gibber Lee. goes here (Fall) ; 



also specimens from White L. (AM), L. George, Nyack, SI, and LI 

 (Fishers I.), all as opacus Sahib., go here according to Fall. 



G. woodruffi Fall. Willow Br.; SI, Je 14, Woodr, type (L&D). 



G. bifarius Fall. Waterville, Je, Ithaca (Fall). 



■ G. pugionis Fall. Chaumont R. (Fall). 



Family HYDROPHILIDAE 



SUBFAMILY HYDRAENINAE 

 OCHTHEBIUS Leach 

 2718 O. tuberculatus Lee. Cayuga L. Basin (Rich) ; SI, Jl (L&D). 

 2726 O. holmbergi Mann. Cayuga L. Basin (Rich). 



Hydraena Kugelann 



2729 H. pennsylvanica Kies. Mooers, Sep (Not) ; Oneida Co, Jl 14, Clms (Dt) ; 

 Olcott, Jl (Dt) ; Cayuga L. Basin (Rich) ; West Pt. (Robn) ; SI 

 (L&D). 



H. angulicollis Not. Westfield, May (Not). 



SUBFAMILY LIMNEBIINAE 

 LIMNEBIUS Leach 

 2737 L. discolor Csy. Westfield, May (Not); Cayuga L. Basin (Rich). 



